1 files changed, 101 insertions, 0 deletions
diff --git a/include/media/mediametadataretriever.h b/include/media/mediametadataretriever.h
new file mode 100644
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--- /dev/null
+++ b/include/media/mediametadataretriever.h
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2008 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+#ifndef MEDIAMETADATARETRIEVER_H
+#define MEDIAMETADATARETRIEVER_H
+
+#include <graphics/SkBitmap.h>      // for SkBitmap
+
+namespace android {
+
+// Keep these in synch with the constants defined in MediaMetadataRetriever.java
+// class.
+enum {
+    METADATA_KEY_CD_TRACK_NUMBER = 0,
+    METADATA_KEY_ALBUM           = 1,
+    METADATA_KEY_ARTIST          = 2,
+    METADATA_KEY_AUTHOR          = 3,
+    METADATA_KEY_COMPOSER        = 4,
+    METADATA_KEY_DATE            = 5,
+    METADATA_KEY_GENRE           = 6,
+    METADATA_KEY_TITLE           = 7,
+    METADATA_KEY_YEAR            = 8,
+    METADATA_KEY_DURATION        = 9,
+    METADATA_KEY_NUM_TRACKS      = 10,
+    METADATA_KEY_IS_DRM_CRIPPLED = 11,
+    METADATA_KEY_CODEC           = 12,
+    // Add more here...
+};
+
+// A utility class that holds the size and actual data in album art.
+class MediaAlbumArt {
+public:
+    MediaAlbumArt(): length(0), data(NULL) {}
+    MediaAlbumArt(const MediaAlbumArt& copy) { 
+        // Don't be caught by uninitialized variables!!
+        length = 0; 
+        data = NULL; 
+        setData(copy.length, copy.data);
+    }
+    MediaAlbumArt(const char* url);
+    ~MediaAlbumArt() { clearData(); }
+
+    void clearData();
+    status_t setData(unsigned int len, const char* buf);
+    char *getData() const { return copyData(length, data); }
+    unsigned int getLength() const { return length; }
+    
+private:
+    // Disable copy assignment operator!
+    MediaAlbumArt& operator=(const MediaAlbumArt& rhs);
+    static char* copyData(unsigned int len, const char* buf);
+    
+    unsigned int length;    // Number of bytes in data.
+    char *data;             // Actual binary data.
+};
+
+class MediaMetadataRetrieverImpl
+{
+public:
+    virtual ~MediaMetadataRetrieverImpl() {};
+    virtual status_t setDataSource(const char* dataSourceUrl) = 0;
+    virtual SkBitmap *captureFrame() = 0;
+    virtual const char* extractMetadata(int keyCode) = 0;
+    virtual MediaAlbumArt* extractAlbumArt() = 0;
+    virtual void setMode(int mode) = 0;
+};
+
+class MediaMetadataRetriever
+{
+public:
+    static status_t setDataSource(const char* dataSourceUrl);
+    static SkBitmap *captureFrame();
+    static const char* extractMetadata(int keyCode);
+    static MediaAlbumArt* extractAlbumArt();
+    static void setMode(int mode);
+    static void release();
+    static void create();
+
+private:
+    MediaMetadataRetriever() {}
+    static MediaMetadataRetrieverImpl *mRetriever;
+    static void                       *mLibHandler;
+};
+
+}; // namespace android
+
+#endif // MEDIAMETADATARETRIEVER_H